If you're curious about the tribe, I trumpeted about it in my Budget Elephant Tribal article, which has a trunkload of ideas that you can assemble for peanuts if you take out Elephant Graveyard (thank you, Reserved List)
Size: This one might be tough to access on-the-go without a ruler, but Pokmon cards have specific dimensions
You make a really good point about the standard dorks tending to be better cube fits than the modern and legacy ones
You can remove 1 Spell Counter from this card, then target 1 monster on the field
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal S Artifact Equipment Equipped creature gets +1/+1
[Yu-Gi-Oh TCG] Summon Limit (Rarity Collection Quarter Century Edition RC04-JP071) [Release Date/Price/Where To Buy] Although this card was first introduced in 2008, it hasn't been banned until now (and even then, it's still legal in tournaments in Japan and Asia-Pacific)